President Donald Trump's executive order denying U.S. citizenship to the children of parents living in the country illegally has faced the first of what will be many legal tests. It didn't fare well.

U.S. District Judge John C. Coughenour has issued a temporary block on President Donald Trump's executive order that sought to end birthright citizenship, with the Judge's ruling citing the 14th Amendment and Supreme Court precedent supporting birthright citizenship regardless of parents’ immigration status.

Federal judge issues a temporary restraining order against the Trump administration's attempt to end birthright citizenship.

WASHINGTON D.C. – A federal judge temporarily Thursday halted President Donald Trump’s executive order aimed to terminate automatic citizenship for children born on American soil, marking the first setback of the president’s attempts to change the nation’s immigration laws and undo decades of precedent, reported the New York Times.

The ruling bars U.S. agencies from implementing the order to end birthright citizenship for children born to migrants in the U.S. temporarily or without legal status while the case is under review.

A federal judge in Seattle on Thursday temporarily blocked President Donald Trump’s executive order seeking to end birthright citizenship. U.S. District Court Judge John Coughenour’s ruling in a case brought by Washington and three other states is the first in what is sure to be a long legal fight over the order’s constitutionality.

The ruling marks the first big loss for Trump, three days after taking the oath of office, and the temporary block applies to the entire country. U.S. District Judge John C. Coughenour called the order "blatantly unconstitutional.